#include <iostream>
using namespace std;
int main( )
{
   int max(int a, int b, int c=0);//????,??c????
   int a,b,c;
   cin>>a>>b>>c;
   cout<<"max(a,b,c)="<<max(a,b,c)<<endl;//??3???????
   cout<<"max(a,b)="<<max(a,b)<<endl; //??2???????
   return 0;
}

int max(int a,int b,int c)  //????
{
   if(b>a) a=b;
   if(c>a) a=c;
   return a;
}